Home / 73,129.95-109,708.29-23,222.61

Finding the Fourth Proportional to 73,129.95, 109,708.29 and 23,222.61

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Solution

The fourth proportional to 73,129.95, 109,708.29 and 23,222.61 is: 34,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,129.95 : 109,708.29 = 23,222.61 : x
  2. Step 2: Convert to fraction form
    73,129.95/109,708.29 = 23,222.61/x
  3. Step 3: Cross multiply
    73,129.95x = 109,708.29 × 23,222.61
  4. Step 4: Simplify right side
    73,129.95x = 2,547,712,832.44
  5. Step 5: Solve for x
    x = 2,547,712,832.44/73,129.95
  6. Step 6: Final answer
    x = 34,838.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.